/*
 * Copyright (c) 2003 by Naohide Sano, All rights reserved.
 *
 * Programmed by Naohide Sano
 */

package vavi.sound.adpcm.oki;


/**
 * A-law codec.
 * <p>
 * TODO ccitt G.711 なので統合する
 * </p>
 * @author <a href="mailto:vavivavi@yahoo.co.jp">Naohide Sano</a> (nsano)
 * @version 0.00 030817 nsano initial version <br>
 */
public class Alaw extends Xlaw {

    /** */
    private static final int[][] alawtolin16 = {
        {0x6a, 0x80}, {0x6b, 0x80}, {0x68, 0x80}, {0x69, 0x80},
        {0x6e, 0x80}, {0x6f, 0x80}, {0x6c, 0x80}, {0x6d, 0x80},
        {0x62, 0x80}, {0x63, 0x80}, {0x60, 0x80}, {0x61, 0x80},
        {0x66, 0x80}, {0x67, 0x80}, {0x64, 0x80}, {0x65, 0x80},
        {0x75, 0x40}, {0x75, 0xc0}, {0x74, 0x40}, {0x74, 0xc0},
        {0x77, 0x40}, {0x77, 0xc0}, {0x76, 0x40}, {0x76, 0xc0},
        {0x71, 0x40}, {0x71, 0xc0}, {0x70, 0x40}, {0x70, 0xc0},
        {0x73, 0x40}, {0x73, 0xc0}, {0x72, 0x40}, {0x72, 0xc0},
        {0x2a, 0x00}, {0x2e, 0x00}, {0x22, 0x00}, {0x26, 0x00},
        {0x3a, 0x00}, {0x3e, 0x00}, {0x32, 0x00}, {0x36, 0x00},
        {0x0a, 0x00}, {0x0e, 0x00}, {0x02, 0x00}, {0x06, 0x00},
        {0x1a, 0x00}, {0x1e, 0x00}, {0x12, 0x00}, {0x16, 0x00},
        {0x55, 0x00}, {0x57, 0x00}, {0x51, 0x00}, {0x53, 0x00},
        {0x5d, 0x00}, {0x5f, 0x00}, {0x59, 0x00}, {0x5b, 0x00},
        {0x45, 0x00}, {0x47, 0x00}, {0x41, 0x00}, {0x43, 0x00},
        {0x4d, 0x00}, {0x4f, 0x00}, {0x49, 0x00}, {0x4b, 0x00},
        {0x7e, 0xa8}, {0x7e, 0xb8}, {0x7e, 0x88}, {0x7e, 0x98},
        {0x7e, 0xe8}, {0x7e, 0xf8}, {0x7e, 0xc8}, {0x7e, 0xd8},
        {0x7e, 0x28}, {0x7e, 0x38}, {0x7e, 0x08}, {0x7e, 0x18},
        {0x7e, 0x68}, {0x7e, 0x78}, {0x7e, 0x48}, {0x7e, 0x58},
        {0x7f, 0xa8}, {0x7f, 0xb8}, {0x7f, 0x88}, {0x7f, 0x98},
        {0x7f, 0xe8}, {0x7f, 0xf8}, {0x7f, 0xc8}, {0x7f, 0xd8},
        {0x7f, 0x28}, {0x7f, 0x38}, {0x7f, 0x08}, {0x7f, 0x18},
        {0x7f, 0x68}, {0x7f, 0x78}, {0x7f, 0x48}, {0x7f, 0x58},
        {0x7a, 0xa0}, {0x7a, 0xe0}, {0x7a, 0x20}, {0x7a, 0x60},
        {0x7b, 0xa0}, {0x7b, 0xe0}, {0x7b, 0x20}, {0x7b, 0x60},
        {0x78, 0xa0}, {0x78, 0xe0}, {0x78, 0x20}, {0x78, 0x60},
        {0x79, 0xa0}, {0x79, 0xe0}, {0x79, 0x20}, {0x79, 0x60},
        {0x7d, 0x50}, {0x7d, 0x70}, {0x7d, 0x10}, {0x7d, 0x30},
        {0x7d, 0xd0}, {0x7d, 0xf0}, {0x7d, 0x90}, {0x7d, 0xb0},
        {0x7c, 0x50}, {0x7c, 0x70}, {0x7c, 0x10}, {0x7c, 0x30},
        {0x7c, 0xd0}, {0x7c, 0xf0}, {0x7c, 0x90}, {0x7c, 0xb0},
        {0x95, 0x80}, {0x94, 0x80}, {0x97, 0x80}, {0x96, 0x80},
        {0x91, 0x80}, {0x90, 0x80}, {0x93, 0x80}, {0x92, 0x80},
        {0x9d, 0x80}, {0x9c, 0x80}, {0x9f, 0x80}, {0x9e, 0x80},
        {0x99, 0x80}, {0x98, 0x80}, {0x9b, 0x80}, {0x9a, 0x80},
        {0x8a, 0xc0}, {0x8a, 0x40}, {0x8b, 0xc0}, {0x8b, 0x40},
        {0x88, 0xc0}, {0x88, 0x40}, {0x89, 0xc0}, {0x89, 0x40},
        {0x8e, 0xc0}, {0x8e, 0x40}, {0x8f, 0xc0}, {0x8f, 0x40},
        {0x8c, 0xc0}, {0x8c, 0x40}, {0x8d, 0xc0}, {0x8d, 0x40},
        {0xd6, 0x00}, {0xd2, 0x00}, {0xde, 0x00}, {0xda, 0x00},
        {0xc6, 0x00}, {0xc2, 0x00}, {0xce, 0x00}, {0xca, 0x00},
        {0xf6, 0x00}, {0xf2, 0x00}, {0xfe, 0x00}, {0xfa, 0x00},
        {0xe6, 0x00}, {0xe2, 0x00}, {0xee, 0x00}, {0xea, 0x00},
        {0xab, 0x00}, {0xa9, 0x00}, {0xaf, 0x00}, {0xad, 0x00},
        {0xa3, 0x00}, {0xa1, 0x00}, {0xa7, 0x00}, {0xa5, 0x00},
        {0xbb, 0x00}, {0xb9, 0x00}, {0xbf, 0x00}, {0xbd, 0x00},
        {0xb3, 0x00}, {0xb1, 0x00}, {0xb7, 0x00}, {0xb5, 0x00},
        {0x81, 0x58}, {0x81, 0x48}, {0x81, 0x78}, {0x81, 0x68},
        {0x81, 0x18}, {0x81, 0x08}, {0x81, 0x38}, {0x81, 0x28},
        {0x81, 0xd8}, {0x81, 0xc8}, {0x81, 0xf8}, {0x81, 0xe8},
        {0x81, 0x98}, {0x81, 0x88}, {0x81, 0xb8}, {0x81, 0xa8},
        {0x80, 0x58}, {0x80, 0x48}, {0x80, 0x78}, {0x80, 0x68},
        {0x80, 0x18}, {0x80, 0x08}, {0x80, 0x38}, {0x80, 0x28},
        {0x80, 0xd8}, {0x80, 0xc8}, {0x80, 0xf8}, {0x80, 0xe8},
        {0x80, 0x98}, {0x80, 0x88}, {0x80, 0xb8}, {0x80, 0xa8},
        {0x85, 0x60}, {0x85, 0x20}, {0x85, 0xe0}, {0x85, 0xa0},
        {0x84, 0x60}, {0x84, 0x20}, {0x84, 0xe0}, {0x84, 0xa0},
        {0x87, 0x60}, {0x87, 0x20}, {0x87, 0xe0}, {0x87, 0xa0},
        {0x86, 0x60}, {0x86, 0x20}, {0x86, 0xe0}, {0x86, 0xa0},
        {0x82, 0xb0}, {0x82, 0x90}, {0x82, 0xf0}, {0x82, 0xd0},
        {0x82, 0x30}, {0x82, 0x10}, {0x82, 0x70}, {0x82, 0x50},
        {0x83, 0xb0}, {0x83, 0x90}, {0x83, 0xf0}, {0x83, 0xd0},
        {0x83, 0x30}, {0x83, 0x10}, {0x83, 0x70}, {0x83, 0x50},
    };
    
    /** */
    private static final int[] lintoalaw = {
        0x2a, 0x2a, 0x2a, 0x2a, 0x2b, 0x2b, 0x2b, 0x2b,
        0x28, 0x28, 0x28, 0x28, 0x29, 0x29, 0x29, 0x29,
        0x2e, 0x2e, 0x2e, 0x2e, 0x2f, 0x2f, 0x2f, 0x2f,
        0x2c, 0x2c, 0x2c, 0x2c, 0x2d, 0x2d, 0x2d, 0x2d,
        0x22, 0x22, 0x22, 0x22, 0x23, 0x23, 0x23, 0x23,
        0x20, 0x20, 0x20, 0x20, 0x21, 0x21, 0x21, 0x21,
        0x26, 0x26, 0x26, 0x26, 0x27, 0x27, 0x27, 0x27,
        0x24, 0x24, 0x24, 0x24, 0x25, 0x25, 0x25, 0x25,
        0x3a, 0x3a, 0x3b, 0x3b, 0x38, 0x38, 0x39, 0x39,
        0x3e, 0x3e, 0x3f, 0x3f, 0x3c, 0x3c, 0x3d, 0x3d,
        0x32, 0x32, 0x33, 0x33, 0x30, 0x30, 0x31, 0x31,
        0x36, 0x36, 0x37, 0x37, 0x34, 0x34, 0x35, 0x35,
        0x0a, 0x0b, 0x08, 0x09, 0x0e, 0x0f, 0x0c, 0x0d,
        0x02, 0x03, 0x00, 0x01, 0x06, 0x07, 0x04, 0x05,
        0x1a, 0x18, 0x1e, 0x1c, 0x12, 0x10, 0x16, 0x14,
        0x6a, 0x6e, 0x62, 0x66, 0x7a, 0x72, 0x4a, 0x5a,
        0xd5, 0xc5, 0xf5, 0xfd, 0xe5, 0xe1, 0xed, 0xe9,
        0x95, 0x97, 0x91, 0x93, 0x9d, 0x9f, 0x99, 0x9b,
        0x85, 0x84, 0x87, 0x86, 0x81, 0x80, 0x83, 0x82,
        0x8d, 0x8c, 0x8f, 0x8e, 0x89, 0x88, 0x8b, 0x8a,
        0xb5, 0xb5, 0xb4, 0xb4, 0xb7, 0xb7, 0xb6, 0xb6,
        0xb1, 0xb1, 0xb0, 0xb0, 0xb3, 0xb3, 0xb2, 0xb2,
        0xbd, 0xbd, 0xbc, 0xbc, 0xbf, 0xbf, 0xbe, 0xbe,
        0xb9, 0xb9, 0xb8, 0xb8, 0xbb, 0xbb, 0xba, 0xba,
        0xa5, 0xa5, 0xa5, 0xa5, 0xa4, 0xa4, 0xa4, 0xa4,
        0xa7, 0xa7, 0xa7, 0xa7, 0xa6, 0xa6, 0xa6, 0xa6,
        0xa1, 0xa1, 0xa1, 0xa1, 0xa0, 0xa0, 0xa0, 0xa0,
        0xa3, 0xa3, 0xa3, 0xa3, 0xa2, 0xa2, 0xa2, 0xa2,
        0xad, 0xad, 0xad, 0xad, 0xac, 0xac, 0xac, 0xac,
        0xaf, 0xaf, 0xaf, 0xaf, 0xae, 0xae, 0xae, 0xae,
        0xa9, 0xa9, 0xa9, 0xa9, 0xa8, 0xa8, 0xa8, 0xa8,
        0xab, 0xab, 0xab, 0xab, 0xaa, 0xaa, 0xaa, 0xaa,
    };

    /** */
    public Alaw() {
        this.decodeTable = alawtolin16;
        this.encodeTable = lintoalaw;
    }
}

/* */

